Xenon florides are colourless and at room temperature are

Options

A. Solid
B. Liquid
C. Gases
D. Superfluid

Answer

To answer the question about the state of xenon fluorides at room temperature, we can follow these steps:

### Step 1: Identify the Compounds
Xenon fluorides include xenon difluoride (XeF2), xenon tetrafluoride (XeF4), and xenon hexafluoride (XeF6).

### Step 2: Determine the Physical State
At room temperature (approximately 25°C), xenon fluorides are known to be colorless and crystalline solids.

### Step 3: Sublimation
These xenon fluorides can sublime, meaning they can transition from solid to gas without becoming liquid under certain conditions. However, at standard room temperature, they remain solid.

### Step 4: Conclusion
Based on the properties of xenon fluorides, we conclude that they are colorless and exist as solid at room temperature.

### Final Answer
Xenon fluorides are colorless and at room temperature are solid.

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